[INFO] fetching crate trans-gen-fsharp 0.3.0-alpha.2...
[INFO] checking trans-gen-fsharp-0.3.0-alpha.2 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate trans-gen-fsharp 0.3.0-alpha.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate trans-gen-fsharp 0.3.0-alpha.2 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trans-gen-fsharp 0.3.0-alpha.2
[INFO] finished tweaking crates.io crate trans-gen-fsharp 0.3.0-alpha.2
[INFO] tweaked toml for crates.io crate trans-gen-fsharp 0.3.0-alpha.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe722c18f85b7fe4fbc1271d1cd85cd93f3bd42cce04492daa4f0179aa2f9aa5
[INFO] running `Command { std: "docker" "start" "-a" "fe722c18f85b7fe4fbc1271d1cd85cd93f3bd42cce04492daa4f0179aa2f9aa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe722c18f85b7fe4fbc1271d1cd85cd93f3bd42cce04492daa4f0179aa2f9aa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe722c18f85b7fe4fbc1271d1cd85cd93f3bd42cce04492daa4f0179aa2f9aa5", kill_on_drop: false }`
[INFO] [stdout] fe722c18f85b7fe4fbc1271d1cd85cd93f3bd42cce04492daa4f0179aa2f9aa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be64084aef806bf16b5c459f74b7605deadcaf729c38bc67594ae8ce91325268
[INFO] running `Command { std: "docker" "start" "-a" "be64084aef806bf16b5c459f74b7605deadcaf729c38bc67594ae8ce91325268", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]    Compiling trans-derive v0.3.0
[INFO] [stderr]    Compiling include_dir_impl v0.6.1
[INFO] [stderr]     Checking include_dir v0.6.1
[INFO] [stderr]     Checking trans v0.3.0
[INFO] [stderr]     Checking trans-gen-core v0.3.0-alpha.2
[INFO] [stderr]     Checking trans-gen-fsharp v0.3.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lib.rs:81:14
[INFO] [stdout]    |
[INFO] [stdout] 81 |         for (index, field) in struc.fields.iter().enumerate() {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> src/lib.rs:274:24
[INFO] [stdout]     |
[INFO] [stdout] 274 |     fn new(name: &str, version: &str) -> Self {
[INFO] [stdout]     |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `discriminant`
[INFO] [stdout]    --> src/lib.rs:331:22
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 for (discriminant, variant) in variants.iter().enumerate() {
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_discriminant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `discriminant`
[INFO] [stdout]    --> src/lib.rs:351:22
[INFO] [stdout]     |
[INFO] [stdout] 351 |                 for (discriminant, variant) in variants.iter().enumerate() {
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_discriminant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lib.rs:81:14
[INFO] [stdout]    |
[INFO] [stdout] 81 |         for (index, field) in struc.fields.iter().enumerate() {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> src/lib.rs:274:24
[INFO] [stdout]     |
[INFO] [stdout] 274 |     fn new(name: &str, version: &str) -> Self {
[INFO] [stdout]     |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `discriminant`
[INFO] [stdout]    --> src/lib.rs:331:22
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 for (discriminant, variant) in variants.iter().enumerate() {
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_discriminant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `discriminant`
[INFO] [stdout]    --> src/lib.rs:351:22
[INFO] [stdout]     |
[INFO] [stdout] 351 |                 for (discriminant, variant) in variants.iter().enumerate() {
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_discriminant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `index_var_name`
[INFO] [stdout]   --> src/lib.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn index_var_name(index_var: &mut usize) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `index_var_name`
[INFO] [stdout]   --> src/lib.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn index_var_name(index_var: &mut usize) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.02s
[INFO] running `Command { std: "docker" "inspect" "be64084aef806bf16b5c459f74b7605deadcaf729c38bc67594ae8ce91325268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be64084aef806bf16b5c459f74b7605deadcaf729c38bc67594ae8ce91325268", kill_on_drop: false }`
[INFO] [stdout] be64084aef806bf16b5c459f74b7605deadcaf729c38bc67594ae8ce91325268